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Patrick Williamsc124f4f2015-09-15 14:41:29 -05001#
2# Removes source after build
3#
4# To use it add that line to conf/local.conf:
5#
6# INHERIT += "rm_work"
7#
8# To inhibit rm_work for some recipes, specify them in RM_WORK_EXCLUDE.
9# For example, in conf/local.conf:
10#
11# RM_WORK_EXCLUDE += "icu-native icu busybox"
12#
Brad Bishop6e60e8b2018-02-01 10:27:11 -050013# Recipes can also configure which entries in their ${WORKDIR}
14# are preserved besides temp, which already gets excluded by default
15# because it contains logs:
Patrick Williams213cb262021-08-07 19:21:33 -050016# do_install:append () {
Brad Bishop6e60e8b2018-02-01 10:27:11 -050017# echo "bar" >${WORKDIR}/foo
18# }
19# RM_WORK_EXCLUDE_ITEMS += "foo"
20RM_WORK_EXCLUDE_ITEMS = "temp"
Patrick Williamsc124f4f2015-09-15 14:41:29 -050021
22# Use the completion scheduler by default when rm_work is active
23# to try and reduce disk usage
24BB_SCHEDULER ?= "completion"
25
Patrick Williamsc0f7c042017-02-23 20:41:17 -060026# Run the rm_work task in the idle scheduling class
Patrick Williams213cb262021-08-07 19:21:33 -050027BB_TASK_IONICE_LEVEL:task-rm_work = "3.0"
Patrick Williamsc0f7c042017-02-23 20:41:17 -060028
Patrick Williamsc124f4f2015-09-15 14:41:29 -050029do_rm_work () {
30 # If the recipe name is in the RM_WORK_EXCLUDE, skip the recipe.
31 for p in ${RM_WORK_EXCLUDE}; do
32 if [ "$p" = "${PN}" ]; then
33 bbnote "rm_work: Skipping ${PN} since it is in RM_WORK_EXCLUDE"
34 exit 0
35 fi
36 done
37
Patrick Williamsc124f4f2015-09-15 14:41:29 -050038 # Need to add pseudo back or subsqeuent work in this workdir
39 # might fail since setscene may not rerun to recreate it
40 mkdir -p ${WORKDIR}/pseudo/
41
Brad Bishopd7bf8c12018-02-25 22:55:05 -050042 excludes='${RM_WORK_EXCLUDE_ITEMS}'
43
Patrick Williamsc124f4f2015-09-15 14:41:29 -050044 # Change normal stamps into setscene stamps as they better reflect the
45 # fact WORKDIR is now empty
46 # Also leave noexec stamps since setscene stamps don't cover them
47 cd `dirname ${STAMP}`
48 for i in `basename ${STAMP}`*
49 do
Brad Bishop1a4b7ee2018-12-16 17:11:34 -080050 case $i in
51 *sigdata*|*sigbasedata*)
52 # Save/skip anything that looks like a signature data file.
Brad Bishop1a4b7ee2018-12-16 17:11:34 -080053 ;;
Brad Bishop1d80a2e2019-11-15 16:35:03 -050054 *do_image_complete_setscene*|*do_image_qa_setscene*)
55 # Ensure we don't 'stack' setscene extensions to these stamps with the sections below
Brad Bishop1a4b7ee2018-12-16 17:11:34 -080056 ;;
57 *do_image_complete*)
58 # Promote do_image_complete stamps to setscene versions (ahead of *do_image* below)
59 mv $i `echo $i | sed -e "s#do_image_complete#do_image_complete_setscene#"`
Brad Bishop1d80a2e2019-11-15 16:35:03 -050060 ;;
61 *do_image_qa*)
62 # Promote do_image_qa stamps to setscene versions (ahead of *do_image* below)
63 mv $i `echo $i | sed -e "s#do_image_qa#do_image_qa_setscene#"`
Brad Bishop1a4b7ee2018-12-16 17:11:34 -080064 ;;
65 *do_package_write*|*do_rootfs*|*do_image*|*do_bootimg*|*do_write_qemuboot_conf*|*do_build*)
Brad Bishop1a4b7ee2018-12-16 17:11:34 -080066 ;;
67 *do_addto_recipe_sysroot*)
68 # Preserve recipe-sysroot-native if do_addto_recipe_sysroot has been used
69 excludes="$excludes recipe-sysroot-native"
Brad Bishop1a4b7ee2018-12-16 17:11:34 -080070 ;;
71 *do_package|*do_package.*|*do_package_setscene.*)
Patrick Williamsc124f4f2015-09-15 14:41:29 -050072 # We remove do_package entirely, including any
73 # sstate version since otherwise we'd need to leave 'plaindirs' around
74 # such as 'packages' and 'packages-split' and these can be large. No end
75 # of chain tasks depend directly on do_package anymore.
Patrick Williams93c203f2021-10-06 16:15:23 -050076 rm -f -- $i;
Brad Bishop1a4b7ee2018-12-16 17:11:34 -080077 ;;
78 *_setscene*)
79 # Skip stamps which are already setscene versions
Brad Bishop1a4b7ee2018-12-16 17:11:34 -080080 ;;
Brad Bishop1d80a2e2019-11-15 16:35:03 -050081 *)
82 # For everything else: if suitable, promote the stamp to a setscene
83 # version, otherwise remove it
84 for j in ${SSTATETASKS} do_shared_workdir
85 do
86 case $i in
87 *$j|*$j.*)
88 mv $i `echo $i | sed -e "s#${j}#${j}_setscene#"`
89 break
90 ;;
91 esac
92 done
Patrick Williams93c203f2021-10-06 16:15:23 -050093 rm -f -- $i
Brad Bishop1a4b7ee2018-12-16 17:11:34 -080094 esac
Patrick Williamsc124f4f2015-09-15 14:41:29 -050095 done
Brad Bishopd7bf8c12018-02-25 22:55:05 -050096
97 cd ${WORKDIR}
98 for dir in *
99 do
100 # Retain only logs and other files in temp, safely ignore
101 # failures of removing pseudo folers on NFS2/3 server.
102 if [ $dir = 'pseudo' ]; then
Patrick Williams93c203f2021-10-06 16:15:23 -0500103 rm -rf -- $dir 2> /dev/null || true
Brad Bishopd7bf8c12018-02-25 22:55:05 -0500104 elif ! echo "$excludes" | grep -q -w "$dir"; then
Patrick Williams93c203f2021-10-06 16:15:23 -0500105 rm -rf -- $dir
Brad Bishopd7bf8c12018-02-25 22:55:05 -0500106 fi
107 done
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500108}
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500109do_rm_work_all () {
110 :
111}
112do_rm_work_all[recrdeptask] = "do_rm_work"
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500113do_rm_work_all[noexec] = "1"
Brad Bishop79641f22019-09-10 07:20:22 -0400114addtask rm_work_all before do_build
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500115
116do_populate_sdk[postfuncs] += "rm_work_populatesdk"
117rm_work_populatesdk () {
118 :
119}
120rm_work_populatesdk[cleandirs] = "${WORKDIR}/sdk"
121
Patrick Williamsd8c66bc2016-06-20 12:57:21 -0500122do_image_complete[postfuncs] += "rm_work_rootfs"
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500123rm_work_rootfs () {
124 :
125}
126rm_work_rootfs[cleandirs] = "${WORKDIR}/rootfs"
127
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500128# This task can be used instead of do_build to trigger building
129# without also invoking do_rm_work. It only exists when rm_work.bbclass
130# is active, otherwise do_build needs to be used.
131#
132# The intended usage is
133# ${@ d.getVar('RM_WORK_BUILD_WITHOUT') or 'do_build'}
134# in places that previously used just 'do_build'.
135RM_WORK_BUILD_WITHOUT = "do_build_without_rm_work"
136do_build_without_rm_work () {
137 :
138}
139do_build_without_rm_work[noexec] = "1"
140
141# We have to add these tasks already now, because all tasks are
142# meant to be defined before the RecipeTaskPreProcess event triggers.
143# The inject_rm_work event handler then merely changes task dependencies.
144addtask do_rm_work
145addtask do_build_without_rm_work
146addhandler inject_rm_work
147inject_rm_work[eventmask] = "bb.event.RecipeTaskPreProcess"
148python inject_rm_work() {
Patrick Williamsc0f7c042017-02-23 20:41:17 -0600149 if bb.data.inherits_class('kernel', d):
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500150 d.appendVar("RM_WORK_EXCLUDE", ' ' + d.getVar("PN"))
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500151 # If the recipe name is in the RM_WORK_EXCLUDE, skip the recipe.
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500152 excludes = (d.getVar("RM_WORK_EXCLUDE") or "").split()
153 pn = d.getVar("PN")
154
155 # Determine what do_build depends upon, without including do_build
156 # itself or our own special do_rm_work_all.
Brad Bishopf8caae32019-03-25 13:13:56 -0400157 deps = sorted((set(bb.build.preceedtask('do_build', True, d))).difference(('do_build', 'do_rm_work_all')) or "")
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500158
Brad Bishopd7bf8c12018-02-25 22:55:05 -0500159 # deps can be empty if do_build doesn't exist, e.g. *-inital recipes
160 if not deps:
161 deps = ["do_populate_sysroot", "do_populate_lic"]
162
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500163 if pn in excludes:
164 d.delVarFlag('rm_work_rootfs', 'cleandirs')
165 d.delVarFlag('rm_work_populatesdk', 'cleandirs')
Brad Bishop6e60e8b2018-02-01 10:27:11 -0500166 else:
167 # Inject do_rm_work into the tasks of the current recipe such that do_build
168 # depends on it and that it runs after all other tasks that block do_build,
169 # i.e. after all work on the current recipe is done. The reason for taking
170 # this approach instead of making do_rm_work depend on do_build is that
171 # do_build inherits additional runtime dependencies on
172 # other recipes and thus will typically run much later than completion of
173 # work in the recipe itself.
174 # In practice, addtask() here merely updates the dependencies.
175 bb.build.addtask('do_rm_work', 'do_build', ' '.join(deps), d)
176
177 # Always update do_build_without_rm_work dependencies.
178 bb.build.addtask('do_build_without_rm_work', '', ' '.join(deps), d)
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500179}